Home / 120,633.45-166,449.24-69,645.30

Finding the Fourth Proportional to 120,633.45, 166,449.24 and 69,645.30

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Solution

The fourth proportional to 120,633.45, 166,449.24 and 69,645.30 is: 96,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,633.45 : 166,449.24 = 69,645.30 : x
  2. Step 2: Convert to fraction form
    120,633.45/166,449.24 = 69,645.30/x
  3. Step 3: Cross multiply
    120,633.45x = 166,449.24 × 69,645.30
  4. Step 4: Simplify right side
    120,633.45x = 11,592,407,254.57
  5. Step 5: Solve for x
    x = 11,592,407,254.57/120,633.45
  6. Step 6: Final answer
    x = 96,096.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.